Remove HTML docs
Cleaning up outdated opam archives in repo dir too
Would the fix to #945 be as simple as this ?
Fix archives that have no base extension: treat them as tar as 1.0 did

Closes #972
Merge pull request #981 from AltGr/1.1.0

1.1.0
Updated CHANGES
Updated man-pages
Merge pull request #982 from AltGr/1.1.0

1.1.0